Steel Blue

#3678AB

Blue

Color Codes

All color formats for development

HEX
#3678AB
RGB
rgb(54, 120, 171)
HSL
hsl(206, 52%, 44%)
OKLCH
oklch(0.553 0.104 244.7)
CMYK
cmyk(68%, 30%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

4.74:1

AA AAA

On Black Background

4.43:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E4EE
200
#CDE0
300
#A6C8
400
#77AC
500
#5194
600
#3678
700
#2B5F
800
#1F44
900
#142C
950
#0C1B

Shades

Darker variations

1#306C99
2#2B6088
3#265477
4#204866
5#1B3C55
6#163044
7#102433
8#0B1822
9#050C11

Tints

Lighter variations

1#3D87C0
2#5195C8
3#67A2CF
4#7DAFD6
5#92BDDD
6#A8CAE4
7#BED7EA
8#D4E4F1
9#E9F2F8

Tones

Muted variations

1#3C77A5
2#42769F
3#477699
4#4D7593
5#53748D
6#597388
7#5F7382
8#65727C
9#6A7176

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EE
#E4EEF6
Light backgroundsTable row hoverSkeleton loading
200
CDE0
#CDE0EF
Secondary backgroundsInput backgroundsDividers
300
A6C8
#A6C8E3
BordersInactive statesPlaceholder text
400
77AC
#77ACD4
Disabled statesSecondary iconsMuted text
500
5194
#5194C8
Primary brand colorCTAsActive elementsLinks
600
3678
#3678AB
Hover statesFocus ringsPrimary buttons hover
700
2B5F
#2B5F88
Active/pressed statesDark mode accentsSecondary text
800
1F44
#1F4461
Text on light backgroundsHeadingsStrong borders
900
142C
#142C3E
Primary textHigh emphasis contentDark headings
950
0C1B
#0C1B27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FB;
  --steel-blue-100: #E4EEF6;
  --steel-blue-200: #CDE0EF;
  --steel-blue-300: #A6C8E3;
  --steel-blue-400: #77ACD4;
  --steel-blue-500: #5194C8;
  --steel-blue-600: #3678AB;
  --steel-blue-700: #2B5F88;
  --steel-blue-800: #1F4461;
  --steel-blue-900: #142C3E;
  --steel-blue-950: #0C1B27;
}
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